NV Energy
So, you’ve noticed something’s off with your
" As an
HVAC tech with years of experience,
I’ve seen plenty of DIY repair jobs go wrong "
Let me walk you through what Las vegas homeowners need to know about this, what the common mistakes people make and why it’s better to let the pros handle certain tasks. Here’s what you need to know before grabbing your toolbox.
What Repairs Are Best Left to Professionals?
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Refrigerant Issues
Handling refrigerant isn’t just about topping off the system. Air Conditioner refrigerants are hazardous chemicals that require proper training to handle. Without the correct knowledge or equipment, you risk leaks, environmental damage, and even personal injury. Not to mention, working with refrigerant without the right certifications is illegal in many places.
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Electrical Components
Your
HVAC system is full of wiring, capacitors, contactors, and other electrical parts that are crucial to its operation. Unless you're an experienced electrician, one wrong move could lead to a system short, fire hazard, or even electrocution. -
Motor and Compressor Replacements
These parts are the heart of your AC Unit. Messing with the motor or compressor requires in-depth knowledge of how they function and how the other system components interrelate. Installing the wrong part or improper wiring can severely damage your
HVAC system.* Replacing compressors, condensers, heat exchangers, or anything that requires extensive disassembly - Leave it to the pros
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Ductwork Modifications
Ductwork seems simple enough—after all, it’s just some sheet metal or flexible tubing, right? Well, ductwork involves precise calculations. Improperly sized or installed ducts can lead to uneven cooling, high energy bills, and even overworking your
HVAC system.* A client tried to expand their ductwork to include a newly remodeled basement. They didn't calculate the airflow properly, which resulted in the rest of the home not cooling efficiently. Their "small DIY addition" cost over $1,000 to correct.
* A homeowner once tried to recharge their AC using a DIY kit bought online. They accidentally overfilled the refrigerant, causing system damage that resulted in a $2,500 compressor replacement. Not so DIY-friendly, right?
* I once had a call from a homeowner who tried replacing their thermostat but wired it incorrectly. Not only did they blow a fuse in their furnace, but they also fried the control board. What could have been a simple thermostat upgrade turned into a $600+ repair!
DIY-Friendly HVAC Repairs
There are some tasks you can safely take on yourself, though, to keep your system running smoothly between professional maintenance calls. Here’s a list of repairs and maintenance jobs that are homeowner-friendly:
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Changing Air Filters – This is a simple and effective way to maintain your
HVAC system. Dirty filters can reduce efficiency and put strain on the system. -
Cleaning Condenser Coils – You can safely clean the exterior coils of your air conditioner by using a hose to wash off dust and debris. Just be careful not to bend the fins.
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Checking Thermostat Settings – Upgrading to a smart thermostat or adjusting the temperature settings to optimize efficiency is a quick, low-risk task.
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Inspecting Vents and Registers – Ensure all your vents are open and not obstructed by furniture or dust, so your system can properly circulate air.
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Cleaning Drain Lines – Clogged condensate drain lines can cause water damage. Flushing the line with vinegar or a bleach solution once a year can prevent clogs.
DIY
